package com.swan;
import org.springframework.context.annotation.Configuration;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;

@Configuration
@EnableWebSocketMessageBroker
public class WebsocketConfig implements WebSocketMessageBrokerConfigurer {

    @Override
    public void registerStompEndpoints(StompEndpointRegistry registry) {
        registry.addEndpoint("/ws").setAllowedOriginPatterns("*").withSockJS(); // 允许跨域
    }

    @Override
    public void configureMessageBroker(MessageBrokerRegistry config) {
        config.setUserDestinationPrefix("/user");
        config.enableSimpleBroker("/queue","/user"); // 启用简单的消息代理
        config.setApplicationDestinationPrefixes("/app"); // 设置应用程序的目标前缀
    }
}
